UINT BCGM_ON_ACTIVATE_MDI_TEAR_OFF_FRAME

The BCGM_ON_ACTIVATE_MDI_TEAR_OFF_FRAME message is sent to the main application window when a tear-off MDI frame window is activated or deactivated.

Parameters

wParam	if this parameter is not zero, MDI frame is active; zero - inactive.
lParam	a pointer to CBCGPMDIFrameWnd object.

Returns

The return value is ignored.